18243876

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 144

約数和(自身を含む): 55157760

約数和(自身を除く): 36913884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 23, 28, 38, 42, 46, 49, 57, 69, 71, 76, 84, 92, 98, 114, 133, 138, 142, 147, 161, 196, 213, 228, 266, 276, 284, 294, 322, 399, 426, 437, 483, 497, 532, 588, 644, 798, 852, 874, 931, 966, 994, 1127, 1311, 1349, 1491, 1596, 1633, 1748, 1862, 1932, 1988, 2254, 2622, 2698, 2793, 2982, 3059, 3266, 3381, 3479, 3724, 4047, 4508, 4899, 5244, 5396, 5586, 5964, 6118, 6532, 6762, 6958, 8094, 9177, 9443, 9798, 10437, 11172, 11431, 12236, 13524, 13916, 16188, 18354, 18886, 19596, 20874, 21413, 22862, 28329, 31027, 34293, 36708, 37772, 41748, 42826, 45724, 56658, 62054, 64239, 66101, 68586, 80017, 85652, 93081, 113316, 124108, 128478, 132202, 137172, 160034, 186162, 198303, 217189, 240051, 256956, 264404, 320068, 372324, 396606, 434378, 480102, 651567, 793212, 868756, 960204, 1303134, 1520323, 2606268, 3040646, 4560969, 6081292, 9121938, 18243876]

約数ペア:

[(1, 18243876), (2, 9121938), (3, 6081292), (4, 4560969), (6, 3040646), (7, 2606268), (12, 1520323), (14, 1303134), (19, 960204), (21, 868756), (23, 793212), (28, 651567), (38, 480102), (42, 434378), (46, 396606), (49, 372324), (57, 320068), (69, 264404), (71, 256956), (76, 240051), (84, 217189), (92, 198303), (98, 186162), (114, 160034), (133, 137172), (138, 132202), (142, 128478), (147, 124108), (161, 113316), (196, 93081), (213, 85652), (228, 80017), (266, 68586), (276, 66101), (284, 64239), (294, 62054), (322, 56658), (399, 45724), (426, 42826), (437, 41748), (483, 37772), (497, 36708), (532, 34293), (588, 31027), (644, 28329), (798, 22862), (852, 21413), (874, 20874), (931, 19596), (966, 18886), (994, 18354), (1127, 16188), (1311, 13916), (1349, 13524), (1491, 12236), (1596, 11431), (1633, 11172), (1748, 10437), (1862, 9798), (1932, 9443), (1988, 9177), (2254, 8094), (2622, 6958), (2698, 6762), (2793, 6532), (2982, 6118), (3059, 5964), (3266, 5586), (3381, 5396), (3479, 5244), (3724, 4899), (4047, 4508)]